John:12:35-36
nkjv@John:12:35 @ Then Jesus said to them, "A little while longer the light is with you. Walk while you have the light, lest darkness overtake you; he who walks in darkness does not know where he is going.
nkjv@John:12:36 @ While you have the light, believe in the light, that you may become sons of light." These things Jesus spoke, and departed, and was hidden from them.